#423ECB#423ECB

#423ECB is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.6% C 0.210 H 275.8°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#423ECB
RGB	rgb(66, 62, 203)
HSL	hsl(242, 58%, 52%)
HSV	hsv(242, 69%, 80%)
CMYK	cmyk(67.5%, 69.5%, 0%, 20.4%)
CIE-LAB	lab(35.82, 45.31, -72.25)
CIE-LCH	lch(35.82, 85.28, 302.09°)
OKLab	oklab(46.58% 0.0211 -0.2087)
OKLCH	oklch(46.58% 0.21 275.8)
XYZ	xyz(14.7453, 8.9140, 57.4318)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423ECB #C7CB3E

analogous

#3E81CB #423ECB #893ECB

triadic

#423ECB #CB423E #3ECB42

tetradic

#423ECB #CB3E81 #C7CB3E #3ECB89

square

#423ECB #CB3E81 #C7CB3E #3ECB89

split-complementary

#423ECB #CB893E #81CB3E

monochromatic

#211E70 #2F2BA1 #423ECB #716ED8 #A09EE5

Accessibility & contrast

On white

7.55

#423ECB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#423ECB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423ECB

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423ECB	#FFFFFF	#000000	##FFFFFF
##423ECB	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423ecb;
/* rgb */ color: rgb(66, 62, 203);
/* oklch */ color: oklch(46.6% 0.210 275.8);

Tailwind

colors: {
  custom: {
    50: '#8874dc',
    500: '#423ecb',
    950: '#000000',
  },
}

SCSS

$custom: #423ecb;
$custom-light: #8874dc;
$custom-dark: #000000;

JSON

{
  "hex": "#423ecb",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 203
  },
  "hsl": {
    "h": 241.702,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46581,
    "c": 0.20978,
    "h": 275.8
  },
  "luminance": 0.08915
}

Semantic roles & 50–950 ramp

primary

#423ECB

secondary

#D0D194

accent

#E147DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423ECB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →